<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>a标签选择器</title>
    <style>

        a:link{
            color: pink;
        }
        a:hover{
            color: green;
        }
        a:active{
            color: darkmagenta;
        }
        a:visited{
            color: red;
        }
    </style>
</head>
<body>


<a href="#">wo shi yige link</a>

</body>
</html>